1. To use call waiting, swipe right over the Answer icon to answer an incoming call and place the current call on hold.
   
2. To use 3-way calling, while on a call, tap the Add call icon.
   
3. Dial the desired number, then tap the Call icon.
   
4. Once the call has connected, tap the Merge calls icon.
   
5. To disconnect from all calls, tap the End call icon.
   
6. To manage callers, tap Manage conference call.
   
7. Tap the Split calls icon next to the desired contact to begin a private conversation and place the other caller(s) on hold.
   
8. To disconnect from a single call, tap the End call icon next to the desired contact.